code: def test_itercb_minimizer_class(method, calc_covar):
      """Test the iteration callback for all solvers."""
      mini = Minimizer(
          residual,
          pars,
          fcn_args=(x, y),
          iter_cb=per_iteration,
          calc_covar=calc_covar,
      )
      out = mini.minimize(method=method)
      assert out.nfev == 17
      assert out.aborted
      assert not out.errorbars
      assert not out.success
      if method not in ("nelder", "differential_evolution"):
          assert mini._abort
  
file_path: lmfit-py/tests/test_itercb.py
imports: import numpy
  import pytest
  from lmfit.lineshapes import gaussian
  from lmfit.minimizer import Minimizer
  from lmfit.models import GaussianModel, LinearModel
label_desc: Use image node_id 4 for calling a global function with example usage: test_itercb_minimizer_class(method, calc_covar) without return types